Rhinosoft Serv-U FTP Server up to 5.x MS DOS Device Name input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

A vulnerability was found in Rhinosoft Serv-U FTP Server up to 5.x (File Transfer Software). It has been rated as problematic. This issue affects an unknown functionality of the component MS DOS Device Name Handler. The manipulation with the input value STOU leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

Serv-U FTP server 4.x and 5.x allows remote attackers to cause a denial of service (application crash) via a STORE UNIQUE (STOU) command with an MS-DOS device name argument such as (1) COM1, (2) LPT1, (3) PRN, or (4) AUX.

The bug was discovered 09/13/2004. The weakness was disclosed 09/13/2004 by Patrick (Website). It is possible to read the advisory at secunia.com. The identification of this vulnerability is CVE-2004-1675 since 02/21/2005. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

After even before and not, there has been an exploit disclosed. The exploit is available at secunia.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 14709 (Serv-U 4.x-5.x STOU Command MS-DOS Argument Remote DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FTP and running in the context r.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at serv-u.com.Addressing this vulnerability is possible by firewalling . The best possible mitigation is suggested to be applying a restrictive firewalling. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (17329), Tenable (14709) and Exploit-DB (463).

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.9
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 14709
Nessus Name: Serv-U 4.x-5.x STOU Command MS-DOS Argument Remote DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14709
OpenVAS Name: FTP Serv-U 4.x 5.x DoS
OpenVAS File: 🔍
OpenVAS Family: 🔍

ATK: 211
Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Firewall
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: serv-u.com

Timelineinfo

09/11/2004 🔍
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09/13/2004 +2 days 🔍
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09/13/2004 +0 days 🔍
09/13/2004 +0 days 🔍
09/21/2004 +7 days 🔍
09/27/2004 +6 days 🔍
02/21/2005 +147 days 🔍
06/29/2019 +5241 days 🔍

Sourcesinfo

Advisory: secunia.com
Researcher: Patrick
Status: Not defined

CVE: CVE-2004-1675 (🔍)
X-Force: 17329 - Serv-U FTP Server STOU denial of service, Medium Risk
Vulnerability Center: 5428 - DoS in RhinoSoft Serv-U FTP Server via STOU Commands with Reserved DOS Device Names, Medium
SecurityFocus: 11155 - RhinoSoft Serv-U FTP Server Remote Denial Of Service Vulnerability
Secunia: 12507 - Serv-U FTP Server "STOU" Command Denial of Service Vulnerability, Moderately Critical
OSVDB: 9898 - Serv-U FTP Server STOU Command MS-DOS Argument Remote DoS

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/13/2004 14:25
Updated: 06/29/2019 10:44
Changes: 09/13/2004 14:25 (99), 06/29/2019 10:44 (1)
Complete: 🔍

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